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Finding the Fourth Proportional to 11,341.70, 15,652.02 and 6,305.90

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Solution

The fourth proportional to 11,341.70, 15,652.02 and 6,305.90 is: 8,702.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,341.70 : 15,652.02 = 6,305.90 : x
  2. Step 2: Convert to fraction form
    11,341.70/15,652.02 = 6,305.90/x
  3. Step 3: Cross multiply
    11,341.70x = 15,652.02 × 6,305.90
  4. Step 4: Simplify right side
    11,341.70x = 98,700,072.92
  5. Step 5: Solve for x
    x = 98,700,072.92/11,341.70
  6. Step 6: Final answer
    x = 8,702.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.